<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			.box{
				width: 150px;
				height: 150px;
				border: 5px solid deeppink;
				position: relative;
				margin: 50px 0 0 0;
			}
			.bbox{
				width: 30px;
				height: 30px;
				border-radius: 50%;
				line-height: 30px;
				text-align: center;
				position: absolute;
				left: 137px;
				top: -23px;
				background-color: red;
				color: white;
				font-size: 25px;
			}
		</style>
	</head>
	<body>
		<div class="box">
			<div class="bbox">
				×
			</div>
		</div>
	</body>
</html>